Growth chart ruler



FIG. 1 is a front perspective view of a growth chart ruler showing our design;

FIG. 2 is a second perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a top plan view thereof.

The broken lines shown in the drawings are included for purpose of illustrating environmental structure and form no part of the claimed design. 

CLAIM The ornamental design for a growth chart ruler, as shown and described. 